beveling the top of the back panel to match the sizes

  attaching the front.  A little glud is used to keep the board in place.

The front and backs are attached to the sides mostly with screws to allow seasonal movements

 beading the tongued back panels

Using a pair of nickels to set the spacing between the tongue and groove panels.  They are also known as ‘test nickels’

 Assembling the panels.

Prepping the fall front panel.

Next up.  Fitting the fall front.